Littelfuse, Inc. SE-704 Series – Earth-Leakage Monitor SE-704-0D

The SE-704-0D is a microprocessor-based earth-leakage monitor designed for resistance- and solidly-grounded systems, operating on a 12/24 V dc supply. It provides adjustable ground-fault detection from 10 mA to 5 A with trip times between 30 ms and 2.0 s, and includes Form A and Form B isolated output contacts for trip or alarm circuits. It features harmonic filtering, CT-loop monitoring, selectable fail-safe or non-fail-safe operating mode, and a 0-5 V / 0-1 mA analog output. The device is conformally coated optional, mounted on DIN rail or surface, and measures 75 mm high, 55 mm wide, and 115 mm deep. It is UL Listed (E340889), CSA certified, CE marked, and C-Tick compliant.